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Vulnerabilities

Vulnerability · CVE-2025-43960

Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object

Published Aug 25, 2025 · catalog updated Aug 25, 2025 · Adminer 4.8.1, when using

Check this week

CVE-2025-43960 is not in CISA KEV. FIRST estimates a 73.00% chance of exploitation in the next 30 days. Check whether you run Adminer 4.8.1, when using.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Adminer 4.8.1, when using).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
73.00%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object Injection issue. Remote, unauthenticated attackers can trigger this by sending a malicious serialized object, which forces excessive memory usage, rendering Adminer’s interface unresponsive and causing a server-level DoS. While the server may recover after several minutes, multiple simultaneous requests can cause a complete crash requiring manual intervention.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-43960

  • Recommended remediation

    A vendor or distribution source is linked. Check that advisory for patch availability; this catalog does not invent fix status.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-43960 is not in CISA KEV. FIRST estimates a 73.00% chance of exploitation in the next 30 days. Check whether you run Adminer 4.8.1, when using.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 73.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 25, 2025 · EUVD

    Detected

    Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object Injection issue. Remote, unauthenticated attackers can trigger this by sending a malicious serialized object, which forces excessive memory usage, rendering Adminer’s interface unresponsive and causing a server-level DoS

  2. Aug 25, 2025 · EUVD

    Updated

    Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object Injection issue. Remote, unauthenticated attackers can trigger this by sending a malicious serialized object, which forces excessive memory usage, rendering Adminer’s interface unresponsive and causing a server-level DoS

Sources

  • EUVDVulnerability recordEUVD-2025-25694

    Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object Injection issue. Remote, unauthenticated attackers can trigger this by sending a malicious serialize

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Aug 25, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.